17     explicit HWEngine(QQmlEngine * engine, QObject *parent = 0);

    17     explicit HWEngine(QQmlEngine * engine, QObject *parent = 0);

    18     ~HWEngine();

    18     ~HWEngine();

    19 

    19 

    20     static void exposeToQML();

    20     static void exposeToQML();

    21     Q_INVOKABLE void getPreview();

    21     Q_INVOKABLE void getPreview();

    22     Q_INVOKABLE QString currentSeed();

    23     Q_INVOKABLE QString currentSeed();

    23     

    24     

    24 signals:

    25 signals:

    25     void previewImageChanged();

    26     void previewImageChanged();

    26     

    27